On Thu, Apr 22, 2021 at 01:53:03PM +0100, Colin Ian King wrote:
> On 22/04/2021 13:52, Johan Hovold wrote:
> > On Thu, Apr 22, 2021 at 01:11:15PM +0100, Colin King wrote:
> >> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> >>
> >> Several variables are being assigned with values that are never
> >> read and being updated later with a new value. The initializations
> >> are redundant and can be removed.
> >>
> >> Addresses-Coverity: ("Unused value")
> >> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> >> ---
> >> drivers/tty/serial/jsm/jsm_cls.c | 6 ++----
> >> 1 file changed, 2 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/drivers/tty/serial/jsm/jsm_cls.c b/drivers/tty/serial/jsm/jsm_cls.c
> >> index b507a2cec926..b58ea4344aaf 100644
> >> --- a/drivers/tty/serial/jsm/jsm_cls.c
> >> +++ b/drivers/tty/serial/jsm/jsm_cls.c
> >> @@ -349,8 +349,8 @@ static void cls_assert_modem_signals(struct jsm_channel *ch)
> >>
> >> static void cls_copy_data_from_uart_to_queue(struct jsm_channel *ch)
> >> {
> >> - int qleft = 0;
> >> - u8 linestatus = 0;
> >> + int qleft;
> >> + u8 linestatus;
> >> u8 error_mask = 0;
> >> u16 head;
> >> u16 tail;
> >> @@ -365,8 +365,6 @@ static void cls_copy_data_from_uart_to_queue(struct jsm_channel *ch)
> >> head = ch->ch_r_head & RQUEUEMASK;
> >> tail = ch->ch_r_tail & RQUEUEMASK;
> >>
> >> - /* Get our cached LSR */
> >> - linestatus = ch->ch_cached_lsr;
> >> ch->ch_cached_lsr = 0;
> >
> > Why leave this assignment in? Looks like this was all copy-pasta, but
> > this assignment makes even less sense now that you remove the comment
> > and load.
>
> Which assignment are you referring to?
The one just above my comment:
ch->ch_cached_lsr = 0;
Johan
